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AISI 418 Stainless Steel vs. C19100 Copper

AISI 418 stainless steel belongs to the iron alloys classification, while C19100 copper belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is AISI 418 stainless steel and the bottom bar is C19100 copper.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
120
Elongation at Break, % 17
17 to 37
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
43
Shear Strength, MPa 680
170 to 330
Tensile Strength: Ultimate (UTS), MPa 1100
250 to 630
Tensile Strength: Yield (Proof), MPa 850
75 to 550

Thermal Properties

Latent Heat of Fusion, J/g 270
210
Maximum Temperature: Mechanical, °C 770
200
Melting Completion (Liquidus), °C 1500
1080
Melting Onset (Solidus), °C 1460
1040
Specific Heat Capacity, J/kg-K 470
390
Thermal Conductivity, W/m-K 25
250
Thermal Expansion, µm/m-K 10
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
55
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
56

Otherwise Unclassified Properties

Base Metal Price, % relative 15
33
Density, g/cm3 8.0
8.9
Embodied Carbon, kg CO2/kg material 2.9
2.7
Embodied Energy, MJ/kg 41
43
Embodied Water, L/kg 110
310

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
60 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 1830
24 to 1310
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 24
18
Strength to Weight: Axial, points 38
7.7 to 20
Strength to Weight: Bending, points 29
9.9 to 18
Thermal Diffusivity, mm2/s 6.7
73
Thermal Shock Resistance, points 40
8.9 to 22

Alloy Composition

Carbon (C), % 0.15 to 0.2
0
Chromium (Cr), % 12 to 14
0
Copper (Cu), % 0
96.5 to 98.6
Iron (Fe), % 78.5 to 83.6
0 to 0.2
Lead (Pb), % 0
0 to 0.1
Manganese (Mn), % 0 to 0.5
0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 1.8 to 2.2
0.9 to 1.3
Phosphorus (P), % 0 to 0.040
0.15 to 0.35
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.030
0
Tellurium (Te), % 0
0.35 to 0.6
Tungsten (W), % 2.5 to 3.5
0
Zinc (Zn), % 0
0 to 0.5
Residuals, % 0
0 to 0.5